System Description

4-6 kW UHF Translator Table of Contents
837B, Rev. 0 iii February 24, 2003
TABLE OF CONTENTS (continued)
Section # Page #
4.7.4 1-Watt Amplifier Board...............................................................4-40
4.7.5 UHF Filter .................................................................................4-40
4.7.6 40 Watt UHF Amplifier Assembly .................................................4-40
4.7.7 Coupler Board Assembly.............................................................4-41
4.7.8 LDMOS Amplifier Assembly .........................................................4-41
4.7.9 4-Way Splitter Assembly ............................................................4-41
4.7.10 LDMOS Amplifier Assemblies .....................................................4-42
4.7.11 4-Way Combiner Assembly .......................................................4-42
4.7.12 Dual Peak Detector Enclosure....................................................4-43
4.7.13 Dual Peak Detector Board .........................................................4-43
4.7.14 Amplifier Protection Board ........................................................4-43
4.7.15 Amplifier Control Board ............................................................4-44
4.8 (Optional) External Exhaust Kit ............................................................4-46
4.9 Translator Output Assemblies...............................................................4-47
CHAPTER 5 DETAILED ALIGNMENT PROCEDURES
5.0 UHF/VHF Receiver Tray ........................................................................ 5-1
5.0.1 (A7) UHF Filter ........................................................................... 5-1
5.0.2 Dual Stage Amplifier Board .......................................................... 5-1
5.0.3 (A9) UHF Filter ........................................................................... 5-1
5.0.4 Channel Oscillator Assembly ........................................................ 5-2
5.0.5 Multiplier Board.......................................................................... 5-2
5.0.6 (A6) UHF Filter ........................................................................... 5-3
5.0.7 Downconverter/Amplifier Board.................................................... 5-3
5.0.8 IF Filter/ALC Board ..................................................................... 5-3
5.0.9 (Optional) SAW Filter/Amplifier Board ........................................... 5-4
5.0.10 ±12V Power Supply Board ......................................................... 5-4
5.0.11 (Optional) IF Carrier Oscillator Board .......................................... 5-4
5.0.12 (Optional) IF Filter/Limiter Board ................................................ 5-4
5.0.13 (Optional) IF PLL Board ............................................................. 5-4
5.0.14 (Optional) IF Amplifier Board...................................................... 5-4
5.1 Exciter Tray with (Optional) Baseband Video and Audio Inputs ................. 5-5
5.2 Exciter Tray with (Optional) 4.5-MHz Composite Input Kit........................ 5-5
5.3 Exciter Tray with Receiver Tray, Baseband or 4.5-MHz Composite Input .... 5-6
5.3.1 (Optional) Delay Equalizer Board .................................................. 5-6
5.3.2 (Optional) Composite 4.5-MHz Filter Board .................................... 5-7
5.3.3 (Optional) 4.5-MHz Bandpass Filter Board ..................................... 5-7
5.3.4 (Optional) IF Carrier Oscillator Board ............................................ 5-7
5.3.5 (Optional) Sync Tip Clamp/Modulator Board................................... 5-7
5.3.6 (Optional) Aural IF Synthesizer Board, 4.5 MHz.............................. 5-9
5.3.7 ALC Board (Part 1 of 2) ..............................................................5-10
5.3.8 IF Phase Corrector Board............................................................5-11
5.3.9 ALC Board ................................................................................5-11
5.3.10 UHF Upconverter Board ............................................................5-12
5.3.11 Channel Oscillator Board...........................................................5-12
5.3.12 x8 Multiplier Board...................................................................5-12
5.3.13 +12 VDC (4A)/-12 VDC (1A) Power Supply Board........................5-13
5.3.14 Transmitter Control Board ........................................................5-13